Analysis

  • max time kernel
    101s
  • max time network
    100s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    28-07-2020 07:48

General

  • Target

    Aksip.bin.exe

  • Size

    344KB

  • MD5

    61506482ddd28756e443b3de05a3b1cf

  • SHA1

    8d7effb5a456289d13f725486a30bed727a01be0

  • SHA256

    15e3107a2c30da16832db6f9cdadd38c7a202d72b6a43899b9642d3b695d6f50

  • SHA512

    18a7178209e6e9edd15e22c97ad15b049370fe457fcec815fe702d75514014460f80326e3a4ae6ca496582467c57398cdb250bf826b76e62bf2c56e1f38efe46

Score
8/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Program crash 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 247 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Aksip.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\Aksip.bin.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 756
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 852
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 884
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1172
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 924
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1088
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1064
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1132
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1468
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1684
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1452
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1468
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1664
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1680
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1676
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 1928
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:412
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe" -start
      2⤵
      • Executes dropped EXE
      PID:864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 828
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 856
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 804
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3964
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 928
        3⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:3076
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
      • Deletes itself
      PID:1004

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\TrustedInstaller.exe
  • memory/388-6-0x0000000004810000-0x0000000004811000-memory.dmp
    Filesize

    4KB

  • memory/388-9-0x0000000004E40000-0x0000000004E41000-memory.dmp
    Filesize

    4KB

  • memory/412-102-0x00000000051F0000-0x00000000051F1000-memory.dmp
    Filesize

    4KB

  • memory/412-103-0x0000000005920000-0x0000000005921000-memory.dmp
    Filesize

    4KB

  • memory/740-2-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/740-3-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/740-5-0x0000000005450000-0x0000000005451000-memory.dmp
    Filesize

    4KB

  • memory/812-118-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/812-111-0x00000000042F0000-0x00000000042F1000-memory.dmp
    Filesize

    4KB

  • memory/864-145-0x0000000000000000-mapping.dmp
  • memory/864-146-0x0000000000000000-mapping.dmp
  • memory/864-167-0x0000000000000000-mapping.dmp
  • memory/864-165-0x0000000000000000-mapping.dmp
  • memory/864-164-0x0000000000000000-mapping.dmp
  • memory/864-163-0x0000000000000000-mapping.dmp
  • memory/864-162-0x0000000000000000-mapping.dmp
  • memory/864-161-0x0000000000000000-mapping.dmp
  • memory/864-160-0x0000000000000000-mapping.dmp
  • memory/864-159-0x0000000000000000-mapping.dmp
  • memory/864-158-0x0000000000000000-mapping.dmp
  • memory/864-157-0x0000000000000000-mapping.dmp
  • memory/864-153-0x00000000023F0000-0x00000000023F1000-memory.dmp
    Filesize

    4KB

  • memory/864-152-0x0000000000000000-mapping.dmp
  • memory/864-150-0x0000000000000000-mapping.dmp
  • memory/864-151-0x0000000000000000-mapping.dmp
  • memory/864-149-0x0000000000000000-mapping.dmp
  • memory/864-147-0x0000000000000000-mapping.dmp
  • memory/864-144-0x0000000000000000-mapping.dmp
  • memory/864-143-0x0000000000000000-mapping.dmp
  • memory/864-136-0x0000000000000000-mapping.dmp
  • memory/864-135-0x0000000000000000-mapping.dmp
  • memory/864-134-0x0000000000000000-mapping.dmp
  • memory/864-104-0x0000000000000000-mapping.dmp
  • memory/864-133-0x0000000000000000-mapping.dmp
  • memory/864-132-0x0000000000000000-mapping.dmp
  • memory/864-130-0x0000000000000000-mapping.dmp
  • memory/864-108-0x0000000000856000-0x0000000000857000-memory.dmp
    Filesize

    4KB

  • memory/864-109-0x00000000022B0000-0x00000000022B1000-memory.dmp
    Filesize

    4KB

  • memory/864-129-0x0000000000000000-mapping.dmp
  • memory/864-114-0x0000000000000000-mapping.dmp
  • memory/864-115-0x0000000000000000-mapping.dmp
  • memory/864-116-0x0000000000000000-mapping.dmp
  • memory/864-117-0x0000000000000000-mapping.dmp
  • memory/864-128-0x0000000000000000-mapping.dmp
  • memory/864-119-0x0000000000000000-mapping.dmp
  • memory/864-120-0x0000000000000000-mapping.dmp
  • memory/864-121-0x0000000000000000-mapping.dmp
  • memory/864-127-0x0000000000000000-mapping.dmp
  • memory/864-125-0x0000000000000000-mapping.dmp
  • memory/864-126-0x0000000000000000-mapping.dmp
  • memory/1004-107-0x0000000000000000-mapping.dmp
  • memory/1172-10-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/1172-11-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/1396-14-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB

  • memory/1396-12-0x0000000004420000-0x0000000004421000-memory.dmp
    Filesize

    4KB

  • memory/1516-94-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
    Filesize

    4KB

  • memory/1516-97-0x00000000054F0000-0x00000000054F1000-memory.dmp
    Filesize

    4KB

  • memory/1764-92-0x0000000004D00000-0x0000000004D01000-memory.dmp
    Filesize

    4KB

  • memory/1764-93-0x0000000005530000-0x0000000005531000-memory.dmp
    Filesize

    4KB

  • memory/1812-122-0x0000000004780000-0x0000000004781000-memory.dmp
    Filesize

    4KB

  • memory/1812-131-0x0000000004F30000-0x0000000004F31000-memory.dmp
    Filesize

    4KB

  • memory/1996-101-0x0000000004A10000-0x0000000004A11000-memory.dmp
    Filesize

    4KB

  • memory/1996-98-0x00000000040E0000-0x00000000040E1000-memory.dmp
    Filesize

    4KB

  • memory/2732-66-0x0000000004E90000-0x0000000004E91000-memory.dmp
    Filesize

    4KB

  • memory/2732-67-0x0000000005280000-0x0000000005281000-memory.dmp
    Filesize

    4KB

  • memory/2732-63-0x0000000004A90000-0x0000000004A91000-memory.dmp
    Filesize

    4KB

  • memory/3076-166-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/3076-154-0x0000000004270000-0x0000000004271000-memory.dmp
    Filesize

    4KB

  • memory/3084-71-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/3084-68-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/3100-89-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/3100-86-0x0000000004270000-0x0000000004271000-memory.dmp
    Filesize

    4KB

  • memory/3388-72-0x00000000047C0000-0x00000000047C1000-memory.dmp
    Filesize

    4KB

  • memory/3388-73-0x0000000004D00000-0x0000000004D01000-memory.dmp
    Filesize

    4KB

  • memory/3468-85-0x0000000004F60000-0x0000000004F61000-memory.dmp
    Filesize

    4KB

  • memory/3468-82-0x0000000004630000-0x0000000004631000-memory.dmp
    Filesize

    4KB

  • memory/3800-81-0x00000000051A0000-0x00000000051A1000-memory.dmp
    Filesize

    4KB

  • memory/3800-78-0x00000000047F0000-0x00000000047F1000-memory.dmp
    Filesize

    4KB

  • memory/3920-90-0x0000000004780000-0x0000000004781000-memory.dmp
    Filesize

    4KB

  • memory/3920-91-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/3940-0-0x0000000000946000-0x0000000000947000-memory.dmp
    Filesize

    4KB

  • memory/3940-1-0x0000000002430000-0x0000000002431000-memory.dmp
    Filesize

    4KB

  • memory/3964-148-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
    Filesize

    4KB

  • memory/3964-140-0x0000000004690000-0x0000000004691000-memory.dmp
    Filesize

    4KB